398985

N-Methyl-1,2-phenylenediamine

97%

• Synonym(s): 1-N-Methylbenzene-1,2-diamine, 2-(Methylamino)aniline, 2-Amino-N-methylaniline, 2-N-Methylbenzene-1,2-diamine, N-Methyl-1,2-benzenediamine, N-Methyl-1,2-diaminobenzene, N-Methyl-o-diaminobenzene, N-Methyl-o-phenylenediamine, N1-Methyl-1,2-benzenediamine
• Linear Formula: CH₃NHC₆H₄NH₂
• CAS Number: 4760-34-3
• Molecular Weight: 122.17
• EC Number: 225-297-6
• MDL number: MFCD00192314
• UNSPSC Code: 12352100
• PubChem Substance ID: 24864778
• NACRES: NA.22

Properties

• Assay: 97%
• form: liquid
• refractive index: n20/D 1.612 (lit.)
• bp: 123-124 °C/10 mmHg (lit.)
• mp: 22 °C (lit.)
• density: 1.075 g/mL at 25 °C (lit.)
• SMILES string: CNc1ccccc1N
• InChI: 1S/C7H10N2/c1-9-7-5-3-2-4-6(7)8/h2-5,9H,8H2,1H3
• InChI key: RPKCLSMBVQLWIN-UHFFFAOYSA-N

Description

General description

N-Methyl-1,2-phenylenediamine is an ortho-diamine. In situ generated diazonium cations of N-methyl-1,2-phenylenediamine were used for the electrochemical modification of glassy carbon electrode.

Application

N-Methyl-1,2-phenylenediamine may be used in the following studies:

• One-pot synthesis of 1-methyl-2(hetero)arylbenzimidazoles.
• Preparation of 1-methyl-1H-benzimidazole-2(3H)-thione.
• Total synthesis of the angiotensin II receptor antagonist, telmisartan.
• Preparation of benzimidazoles from ketene dithioacetals.

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H302 + H312 + H332,H315,H319
• Precautionary Statements: P261 - P280 - P301 + P312 - P302 + P352 + P312 - P304 + P340 + P312 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2
• Storage Class Code: 10 - Combustible liquids
• WGK: WGK 3
• Flash Point(F): 235.4 °F - closed cup
• Flash Point(C): 113 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves